Military communications have to be coded to keep them secret from the enemy. However the process of coding and decoding are time consuming processes. Furthermore the codes may be broken by the enemy. Nations have devoted considerable effort trying to create unbreakable codes. In World War II both Germany and Japan thought they had such unbreakable codes, but in fact these codes were broken and their most vital information were readily available to their enemies.
The Code Talkers confused the enemy, made communications secure, maintained an excellent combat record, and created a code that was never broken by the enemy.
Because the second amendment involves the "right to bear arms," the federal government would be unable to pass a law preventing citizens to carry concealed weapons. This amendment makes that federal action unconstitutional.
